Untrained Call Centre Agents!!

So a Call center Agent from Multi-choice decides to call me and discuss changing debit order dates! fine all goes well and i agree and she agrees that a double debit order will go through on January 27 GUESS WHAT I WAKE UP 18 JANUARY MY TV IS DISCONNECTED!! it says call center i call the call center they telling me that that agent made a mistake and that i need to pay them including a re-connection fee!! so my question is who's problem is it that i am disconnected?? mine or their call center agent who is not trained enough?? when i spoke to that agent i gave her a date in December BUT noooo she said it will be double debited in January!!!!! i am utterly disgusted as the speed of their response to the matter is horrible and they now want me to run around stand in lines and pay them while they know they made a DAMN mistake!!!!!! This is sick i am actually thinking of terminating the whole damn thing!!!